THE PLANTS OF THE PRIBIT.OF ISLANDS. 577 



Didyniodon baden-po-wellii, Kindb. Ott. Nat., Vol. V, p. 17!). 



Diflers irom Didymodon rubellus iu the dioecious intioresceuce, the blunt, conic, 

 very short lid, scarcely one-fifth of" the capsule, and the distinctly dentate leaves (as 

 iu Didymodon (djuf/euus, Yent.). The tufts are comj)act, about 2 cm. high, the leaves 

 revolute nearly all around, short-acuminate, the lower pale brown, i)erichetial ones 

 longer acuminate or subulate entire. The capsules are (unri])e) more or less curved, 

 the pedicel pale red. 



St. Paul Island. (J. M. Macouu.) First collected iu 1891 



Desmatodoii latifolius, Brid. 



St, Paul Island. (Palmer.) 

 Desmatodoii systilius, Br. ;ind Sch. 



St. Paul Island. (Dr. Merriam.) 



I have seen neither Mr. Palmer's nor Dr. Merriam's specimens of Desmatodon, but 

 believe them to be both D. latifolius which 1). systilius nearly approaches. I), latifo- 

 lius is common at Unalaska. 



Grimmia apocarpa, Hedw. 



On rocks, St. Paul Island. (J. M. Macouu.) 



Racomitrium lanuginosum, Brid. 



On rocks, St. Paul Island. (Dr. Merriam; Palmer; J. M. Macoun.) 

 Racomitrium miorocarpum, Brid. 



St. Paul Island. (Dr. Merriam.) Probably the next. 



Racomitrium. miorocarpum, Brid., var. palmeri, Kiudb.; Macoun, Cat. Can. Plants, Vol. VI, p. 267. 



Differs in the leaves being long-subulate, hairless, the upper cells longer and 

 more confluent, the alar ones large and rectangular, the capsule shorter pedicellate. 

 Differs also from the related Racomitrium sudeticum in the deeply cleft peristomial 

 teeth, the narrow leaf cells, etc. (Palmer; J. M. Macoun.) First collected by Mr. 

 Palmer in 1890. 



Orthotrichum laevigatum, Zelt. 



Eocks, St. Paul Island. (Dr. Merriam; J. M. Macoun.) 

 Orthotrichum microplephare, Schimp. 



St. Paul' Island. (Dr. Merriam.) 



Tetraplodon mnioides, Br. and Sch. 



Wet banks, St. Paul Island. (Dr. Merriam; J. M. Macoun.) 

 Splachnum wormskioldii (Home.), Kindb. 



St. George Island. (J. M. Macouu.) 

 Bartramia ithyphylla, Brid. 



Crevices of rocks, St. Paul Island. (Dr. Merriam ; J. M. Macoun.) 



Bartramia pomiformis, Hedw. 



St. Paul Island. (Palmer.) 

 Philonotis foiitana, Brid. 



St. Paul Island. (Dr. Merriam; J. M. Macoun.) 

 5947_1>T 3 37 



